Methane (CH4) is a suitable fuel for burning because it is readily oxidized by oxygen gas, forming carbon dioxide and water. Hydrogen is also a good fuel for burning with oxygen gas, forming water as a product. What change in oxidation number always accompanies oxidation?
A) a decrease
B) an increase
C) no change
D) The change varies with the reaction.
E) Oxidation number increases by 1 unit.
Correct Answer:
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